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#include <float.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
static int
t1 (void)
{
int n = -1;
sscanf ("abc ", "abc %n", &n);
printf ("t1: count=%d\n", n);
return n != 5;
}
static int
t2 (void)
{
int result = 0;
int n;
long N;
int retval;
#define SCAN(INPUT, FORMAT, VAR, EXP_RES, EXP_VAL) \
VAR = -1; \
retval = sscanf (INPUT, FORMAT, &VAR); \
printf ("sscanf (\"%s\", \"%s\", &x) => %d, x = %ld\n", \
INPUT, FORMAT, retval, (long int) VAR); \
result |= retval != EXP_RES || VAR != EXP_VAL
SCAN ("12345", "%ld", N, 1, 12345);
SCAN ("12345", "%llllld", N, 0, -1);
SCAN ("12345", "%LLLLLd", N, 0, -1);
SCAN ("test ", "%*s%n", n, 0, 4);
SCAN ("test ", "%2*s%n", n, 0, -1);
SCAN ("12 ", "%l2d", n, 0, -1);
SCAN ("12 ", "%2ld", N, 1, 12);
n = -1;
N = -1;
retval = sscanf ("1 1", "%d %Z", &n, &N);
printf ("sscanf (\"1 1\", \"%%d %%Z\", &n, &N) => %d, n = %d, N = %ld\n", \
retval, n, N); \
result |= retval != 1 || n != 1 || N != -1;
return result;
}
#if FLT_EVAL_METHOD == 2
volatile long double dbl_max = LDBL_MAX;
# define FLT_FLT_FMT "%Lf %LF"
# define FLT_FLT_WFMT L"%Lf %LF"
#else
# define dbl_max DBL_MAX
# define FLT_FLT_FMT "%f %F"
# define FLT_FLT_WFMT L"%f %F"
#endif
static int
F (void)
{
char buf[20];
wchar_t wbuf[10];
int result;
snprintf (buf, sizeof buf, FLT_FLT_FMT,
dbl_max * dbl_max - dbl_max * dbl_max,
dbl_max * dbl_max - dbl_max * dbl_max);
result = strcmp (buf, "nan NAN") != 0;
printf ("expected \"nan NAN\", got \"%s\"\n", buf);
snprintf (buf, sizeof buf, "%f %F", DBL_MAX * DBL_MAX, DBL_MAX * DBL_MAX);
result |= strcmp (buf, "inf INF") != 0;
printf ("expected \"inf INF\", got \"%s\"\n", buf);
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), FLT_FLT_WFMT,
dbl_max * dbl_max - dbl_max * dbl_max,
dbl_max * dbl_max - dbl_max * dbl_max);
result |= wcscmp (wbuf, L"nan NAN") != 0;
printf ("expected L\"nan NAN\", got L\"%S\"\n", wbuf);
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%f %F",
DBL_MAX * DBL_MAX, DBL_MAX * DBL_MAX);
result |= wcscmp (wbuf, L"inf INF") != 0;
printf ("expected L\"inf INF\", got L\"%S\"\n", wbuf);
return result;
}
int
main (int argc, char *argv[])
{
int result = 0;
result |= t1 ();
result |= t2 ();
result |= F ();
result |= fflush (stdout) == EOF;
return result;
}
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